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mechanical tubing

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430149
EISBN: 978-1-62708-253-2
..., 400× Abstract Abstract Boiler tubes operating at high temperatures under significant pressure are vulnerable to stress rupture failures. This chapter examines the cause, effect, and appearance of such failures. It discusses the conditions and mechanisms that either lead to or are associated...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430325
EISBN: 978-1-62708-253-2
... tube fatigue, including mechanical or vibrational fatigue, corrosion fatigue, thermal fatigue, and creep-fatigue interaction. It discusses the causes, characteristics, and impacts of each type and provides several case studies. References References 6.1 French D.N. , Failures...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500179
EISBN: 978-1-62708-317-1
.... This chapter discusses the basic methods of tube hydroforming and the underlying process mechanics. It explains how to determine if a material is a viable candidate and whether it can withstand preforming or bending operations. It describes critical process parameters, such as interface pressure, surface...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270110
EISBN: 978-1-62708-301-0
...Abstract Abstract Helicopter control mechanisms were failing at a higher than normal rate on high-altitude flights in mountainous regions. All of the failures occurred at or near attachment points on pressurized tubes, causing a pressure drop and partial loss of function. Visual and SEM...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430409
EISBN: 978-1-62708-253-2
... become proficient at predicting how long a component will last under a given set of operating conditions. This chapter explains how such predictions are made in the case of boiler tubes. It identifies critical damage mechanisms, progressive failure pathways, and relevant test and measurement procedures...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490183
EISBN: 978-1-62708-340-9
... mechanics and presents a number of cases in which life assessments are made based on the integration of several methods. boiler tubes Cr-Mo steel crack initiation life assessment metallography steam pipes General Description The function of a boiler is to convert water into superheated...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430027
EISBN: 978-1-62708-253-2
... on the atomic structure of metals, the nature of alloy phases, and the mechanisms involved in phase transformations, including time-temperature effects and the role of diffusion, nucleation, and growth. It also discusses alloying, heat treating, and defect formation and briefly covers condenser tube materials...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430147
EISBN: 978-1-62708-253-2
...Abstract Abstract This chapter provides an outline of the failure modes and mechanisms associated with most boiler tube failures in coal-fired power plants. Primary categories include stress rupture failures, water-side corrosion, fire-side corrosion, fire-side erosion, fatigue, operation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080335
EISBN: 978-1-62708-304-1
..., and Boilers 12.3 Boiler Tube Fireside Corrosion Problems 12.4 Corrosion Mechanisms 12.5 Corrosion Protection for Furnace Waterwalls 12.6 Corrosion Protection for Superheaters 12.7 Summary References References 1. Krause H.H. , Historical Perspective of Fireside Corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080379
EISBN: 978-1-62708-304-1
...Abstract Abstract This chapter discusses two damage mechanisms in which stress plays a major role. In the one case, stress causes cracks in the oxide scale on metals, leading to preferential corrosion attack. An example from industry of this type of failure is the circumferential cracking...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130133
EISBN: 978-1-62708-284-6
...Abstract Abstract This article presents six case studies of failures with steel forgings. The case studies covered are crankshaft underfill; tube bending; spade bit; trim tear; upset forging; and avoidance of flow through, lap, and crack. The case studies illustrate difficulties encountered...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980001
EISBN: 978-1-62708-342-3
... not have sufficient power to process billets of sufficient size. Around 1933, the vertical mechanical tube presses patented by Singer started to mass produce steel tubes. These vertical tube presses with a high number of strokes per minute for the mass production of steel tubes have been largely...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060175
EISBN: 978-1-62708-261-7
... Upholstery spring wires Welding wire Carbon steel flat wire Stitching wire Stapling wire Carbon steel pipe Structural tubing Line pipe Oil country tubular goods Steel specialty tubular products Pressure tubing Mechanical tubing Aircraft tubing Hot-rolled wire rods Industrial...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980195
EISBN: 978-1-62708-342-3
... forces occur in the acceleration zone of the roll gap as well as in the cross rolling process used to pierce blanks in the rolling of steel tubes. These tensile forces cause problems in the rolled product if the deformation conditions are not optimized. The benefits of this three-dimensional compression...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030292
EISBN: 978-1-62708-282-2
... codes for refinery process equipment Table 3 Construction codes for refinery process equipment Country Issuing organization Source document(s) Pressure vessels United States American Society of Mechanical Engineers Boiler and Pressure Vessel Code, Section VIII American...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430204
EISBN: 978-1-62708-253-2
.... 6.92 Schematic showing mechanism of oxygen pitting Fig. 6.100 Cracking due to SCC, (a) transgranular, 200×; (b) intergranular, 300× Fig. 6.105 Boiler tube showing cracking due to caustic embrittlement Fig. 6.48 Decarburization and discontinuous intergranular cracking...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430314
EISBN: 978-1-62708-253-2
...-side erosion mechanism are erosion due to soot blowing, fly ash attack, coal-particle impingement, falling slag, and steam cutting action ( Ref 6.38 , 6.39 ). Each of these mechanisms is discussed here. The function of the soot blower in a boiler is to blow off soot from the tube surface using...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170457
EISBN: 978-1-62708-297-6
..., aluminum, silicon, and nickel affect the physical and mechanical properties of coppers and high-copper alloys as well as brasses, bronzes, copper-nickels, and nickel silvers. It also explains how alloying affects electrical conductivity, corrosion resistance, stress-corrosion cracking, and processing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.9781627082532
EISBN: 978-1-62708-253-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430343
EISBN: 978-1-62708-253-2
... oxygen level, total iron and copper content of water, pH and hardness of water, oils and resins, and other chemicals used in boiler water treatment. Failure to control these parameters can result in tube failure by these mechanisms. For example, the presence of dissolved oxygen in BFW beyond a maximum...